clear all; clc; disp("Scilab Code Ex 1.12 : ") //Given: l_bc = 50; //Length of BC in mm. l_db = 75; // mm. l_ed = 40; // mm. l_ab = 25; // mm. f_diagonal = 3000; //N a1 = l_ab*l_ed; //Area of face AB in mm^2. a2 = l_bc*l_ed ; //mm^2. a3 = l_db*l_ed ; // mm^2. //Internal loadings - The free body diagram of the inclined member is shown in 1-26b. //Equilibrium Equations //Balancing forces along the x- direction. f_ab = f_diagonal*(3/5); //Force on segment AB in N V = f_ab; //Shear force acting on the sectioned horizontal plane EDB in N //Balancing forces along the Y direction. f_bc = f_diagonal*(4/5); //Force on segment BC in N. //Average compressive stresses along the horizontal and vertical planes: avg_comp_ab = f_ab/a1; // N/mm^2 avg_comp_bc = f_bc/a2; // N/mm^2 //Average shear stress acting on the horizontal plane defined by EDB : avg_shear = f_ab/a3; // N/mm^2 //Display: printf('\n\nThe Force on segment AB = %.2f N',f_ab); printf('\nThe Shear Force on sectioned plane EDB = %.2f N',V); printf('\nThe Force on segment BC = %.2f N',f_bc); printf('\nThe average compressive stress along AB = %.2f N/mm^2',avg_comp_ab); printf('\nThe average compressive stress along BC = %.2f N/mm^2',avg_comp_bc); printf('\nThe average shear stress along EDB = %.2f N/mm^2',avg_shear); //-------------------------------------------------------------------------------END---------------------------------------------------------------------------